Zhengzhou Great Electric Co.,Ltd.
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Single Phase ANSI Meter Test Bench 380V
1) QCD suitable for ANSI meter connection
2) High stability and accuracy output
3) Class: 0.05, 0.1 (optional)
4) Standard meter accuracy: 0.02, 0.05
5) Meter constant on each position can be different
Technical Parameter
| Accuracy class | 0.05 , 0.1 (optional) |
| Output Voltage | |
| Range | 1-380V (P-N) |
| Resolution | 0.01% |
| Accuracy | 0.02% |
| Distortion | <0.5% |
| Stability | <0.03% (180s) |
| Capacity | >800VA (40 positions) |
| Current output | |
| Range | 1Ma~ 120A |
| Resolution | 0.01% |
| Accuracy | 0.02% |
| Distortion | <0.5% |
| Stability | <0.03% (180s) |
| Capacity | >2500VA (40 positions) |
| Phase angle | |
| Adjustment range | 0° ~ 360° |
| Resolution | 0.01° |
| Frequency | |
| Range | 45-65HZ |
| Resolution | 0.01HZ |
| Harmonic measurement | |
| Orders | 2-21times |
| Content |
<=40% (relate to basic wave)
|
| Other parameters | |
| Power supply | 220V or 3×220V/380V±10%, 50/60Hz±10% |
Single Phase ANSI Meter Test Bench 380V
Features
1) PWM (Pulse width modulation) technology
2) Can test all kinds of ANSI single phase & three phase meters (1S, 2S, 9S, 12S, 16S)
3) Can test voltage, current, power, power factor, phase angle, frequency, etc..
4) Can do the test of warm-up, start, creep, basic error, standard deviation error, 24hours variation error
5) Test can be done automatically by defined test plan, also can be done by manual selection of test points
6) Can do influence quantities test including voltage, frequency, harmonics, negative phase sequence,
voltage unbalance, voltage drop, voltage interruption, etc…
7) Can do dial test (time or energy value base)
8) Can real-time display vector diagram and waveform
9) Can test the waveform distortion of voltage & current
10) With soft start & stop function for voltage & current output
11) With enough protection: voltage short, current open, grounding, emergency button,
12) Powerful PC software provided together.
13) Power Source Cabinet can be used independently to setup automation
Single Phase ANSI Meter Test Bench 380V
Configurations
1. Three phase Power source (PS)
2. Three phase Standard reference meter (SRM), class 0.05 (0.02 optional)
3. The Rack (aluminum alloy material)
Number of positions: 40 (6, 8, 10, 12, 24, 32…optional)
Each rack equip 1 emergency STOP switch
Each posistion consist of: 1 ANSI Meter QCD + 1 scanning head + 1 mutlichannel pulse input auto switch port
+ 1 RS/232 or 485 communication port + 1 error display + 1 RESET button + 1 Set of voltage cable+1 ICT
+ Open circuit test facility (for auto short when meter positon empty)
One automatic swtiching facility between two racks
4. PC software
5. Manual control keyboard
6. Details operation manual including PC software manual
7. All necessary spare parts